Cross-site scripting (XSS) vulnerability in inmail.pl in Insite Inmail allows remote attackers to inject arbitrary web script or HTML via the acao parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18268
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-1193
http://www.securityfocus.com/bid/11758